Photochemotherapy
photochemotherapy pho·to·che·mo·ther·a·py (fō’tō-kē’mō-thěr’ə-pē, -kěm’ō-)
n.
See photoradiation.
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- Photochromic
[foh-tuh-kroh-mik] /ˌfoʊ təˈkroʊ mɪk/ adjective 1. (of chemically treated glass or plastic) capable of darkening or changing color when exposed to light. /ˌfəʊtəʊˈkrəʊmɪk/ adjective 1. (of glass) changing colour with the intensity of incident light, used, for example, in sunglasses that darken as the sunlight becomes brighter
- Photochromic lens
photochromic lens pho·to·chro·mic lens (fō’tə-krō’mĭk) n. A light-sensitive eyeglass lens that automatically darkens in sunlight and clears in reduced light.
- Photochromy
[foh-tuh-kroh-mee] /ˈfoʊ təˌkroʊ mi/ noun 1. a former technique of color photography.
- Photochronograph
[foh-tuh-kron-uh-graf, -grahf] /ˌfoʊ təˈkrɒn əˌgræf, -ˌgrɑf/ noun 1. a device formerly used for taking a series of instantaneous photographs of a rapidly moving object. 2. a picture taken by such a device. 3. a in which the tracing or record is made by a pencil of light on a sensitized surface. 4. an instrument for […]
- Photocoagulation
[foh-toh-koh-ag-yuh-ley-shuh n] /ˌfoʊ toʊ koʊˌæg yəˈleɪ ʃən/ noun 1. a surgical technique using an intense beam of light from a laser or a xenon-arc bulb to seal blood vessels or coagulate tissue, used primarily in ophthalmology to repair detached retinas or to treat certain kinds of retinopathy. photocoagulation pho·to·co·ag·u·la·tion (fō’tō-kō-āg’yə-lā’shən) n. Surgical coagulation of tissue […]